<AssumeRoleResult>
    <AssumedRoleUser>
      <Arn/>
      <AssumeRoleId/>
    </AssumedRoleUser>
    <Credentials>
      <AccessKeyId>Y4RJU1RNFGK48LGO9I2S</AccessKeyId>
      <SecretAccessKey>sYLRKS1Z7hSjluf6gEbb9066hnx315wHTiACPAjg</SecretAccessKey>
      <Expiration>2019-08-08T20:26:12Z</Expiration>

```
{
 "buckets": [
  "dl.minio.equipment",
  "dl.minio.service-fulfillment",
  "testbucket"
 ],
 "credentials": {
  "AccessKeyID": "Q31CVS1PSCJ4OTK2YVEM",
  "SecretAccessKey": "rmDEOKARqKYmEyjWGhmhLpzcncyu7Jf8aZ9bjDic",

<AssumeRoleWithCertificateResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
   <AssumeRoleWithCertificateResult>
      <Credentials>
         <AccessKeyId>YC12ZBHUVW588BQAE5BM</AccessKeyId>
         <SecretAccessKey>Zgl9+zdE0pZ88+hLqtfh0ocLN+WQTJixHouCkZkW</SecretAccessKey>
         <Expiration>2021-07-19T20:10:45Z</Expiration

    <AssumedRoleUser>
      <Arn/>
      <AssumeRoleId/>
    </AssumedRoleUser>
    <Credentials>
      <AccessKeyId>Y4RJU1RNFGK48LGO9I2S</AccessKeyId>
      <SecretAccessKey>sYLRKS1Z7hSjluf6gEbb9066hnx315wHTiACPAjg</SecretAccessKey>
      <Expiration>2019-08-08T20:26:12Z</Expiration>

      /* Amazon S3: */
      // MinioClient minioClient =
      //     MinioClient.builder()
      //         .endpoint("https://s3.amazonaws.com")
      //         .credentials("YOUR-ACCESSKEY", "YOUR-SECRETACCESSKEY")
      //         .build();

      // Enable versioning on 'my-bucketname'.
      minioClient.enableVersioning(EnableVersioningArgs.builder().bucket("my-bucketname").build());

```go
s3Client, err := minio.New("localhost:9000", "YOUR-ACCESSKEYID", "YOUR-SECRETACCESSKEY", true)
if err != nil {
 log.Fatalln(err)
}

object, err := os.Open("my-testfile")
if err != nil {
 log.Fatalln(err)
}
defer object.Close()
objectStat, err := object.Stat()

    <AssumedRoleUser>
      <Arn/>
      <AssumeRoleId/>
    </AssumedRoleUser>
    <Credentials>
      <AccessKeyId>Y4RJU1RNFGK48LGO9I2S</AccessKeyId>
      <SecretAccessKey>sYLRKS1Z7hSjluf6gEbb9066hnx315wHTiACPAjg</SecretAccessKey>
      <Expiration>2019-08-08T20:26:12Z</Expiration>

```
{
  buckets: [ ],
  credentials: {
    AccessKeyID: "EJOLVY3K3G4BF37YD1A0",
    SecretAccessKey: "1b+w8LlDqMQOquKxIlZ2ggP+bgE51iwNG7SUVPJJ",

```
{
  "buckets": [
    "bucket-x"
  ],
  "credentials": {
    "AccessKeyID": "6N2BALX7ELO827DXS3GK",
    "SecretAccessKey": "23JKqAD+um8ObHqzfIh+bfqwG9V8qs9tFY6MqeFR+xxx",

// http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-query-string-auth.html.
func preSignV4(req *http.Request, accessKeyID, secretAccessKey string, expires int64) error {
	// Presign is not needed for anonymous credentials.
	if accessKeyID == "" || secretAccessKey == "" {
		return errors.New("Presign cannot be generated without access and secret keys")
	}

	region := globalSite.Region()
	date := UTCNow()